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arm64: dts: ti: am64-phyboard-electra: Add overlay to enable a GPIO fan

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The phyBOARD-Electra has a GPIO fan header. This overlay enables the fan
header and sets the fan to turn on at 65C.

Signed-off-by: Nathan Morrisson <nmorrisson@phytec.com>
Reviewed-by: Wadim Egorov <w.egorov@phytec.de>
Link: https://lore.kernel.org/r/20240419193114.3090084-1-nmorrisson@phytec.com
Signed-off-by: Nishanth Menon <nm@ti.com>
This commit is contained in:
Nathan Morrisson
2024-04-19 12:31:14 -07:00
committed by Nishanth Menon
parent 04c6dd3466
commit 954b585eac
2 changed files with 54 additions and 0 deletions
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arch/arm64/boot/dts/ti/Makefile
+4
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@@ -48,6 +48,7 @@ dtb-$(CONFIG_ARCH_K3) += k3-am642-hummingboard-t.dtb
dtb-$(CONFIG_ARCH_K3) += k3-am642-hummingboard-t-pcie.dtb
dtb-$(CONFIG_ARCH_K3) += k3-am642-hummingboard-t-usb3.dtb
dtb-$(CONFIG_ARCH_K3) += k3-am642-phyboard-electra-rdk.dtb
dtb-$(CONFIG_ARCH_K3) += k3-am642-phyboard-electra-gpio-fan.dtbo
dtb-$(CONFIG_ARCH_K3) += k3-am642-sk.dtb
dtb-$(CONFIG_ARCH_K3) += k3-am642-tqma64xxl-mbax4xxl.dtb
dtb-$(CONFIG_ARCH_K3) += k3-am64-tqma64xxl-mbax4xxl-sdcard.dtbo
@@ -131,6 +132,8 @@ k3-am62p5-sk-csi2-tevi-ov5640-dtbs := k3-am62p5-sk.dtb \
k3-am62x-sk-csi2-tevi-ov5640.dtbo
k3-am642-evm-icssg1-dualemac-dtbs := \
k3-am642-evm.dtb k3-am642-evm-icssg1-dualemac.dtbo
k3-am642-phyboard-electra-gpio-fan-dtbs := \
k3-am642-phyboard-electra-rdk.dtb k3-am642-phyboard-electra-gpio-fan.dtbo
k3-am642-tqma64xxl-mbax4xxl-sdcard-dtbs := \
k3-am642-tqma64xxl-mbax4xxl.dtb k3-am64-tqma64xxl-mbax4xxl-sdcard.dtbo
k3-am642-tqma64xxl-mbax4xxl-wlan-dtbs := \
@@ -174,6 +177,7 @@ DTC_FLAGS_k3-am62-lp-sk += -@
DTC_FLAGS_k3-am62a7-sk += -@
DTC_FLAGS_k3-am62p5-sk += -@
DTC_FLAGS_k3-am642-evm += -@
DTC_FLAGS_k3-am642-phyboard-electra-rdk += -@
DTC_FLAGS_k3-am642-tqma64xxl-mbax4xxl += -@
DTC_FLAGS_k3-am6548-iot2050-advanced-m2 += -@
DTC_FLAGS_k3-am68-sk-base-board += -@
arch/arm64/boot/dts/ti/k3-am642-phyboard-electra-gpio-fan.dtso
+50
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@@ -0,0 +1,50 @@
// SPDX-License-Identifier: GPL-2.0-only OR MIT
/*
* Copyright (C) 2024 PHYTEC America LLC
* Author: Nathan Morrisson <nmorrisson@phytec.com>
*/
/dts-v1/;
/plugin/;
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/thermal/thermal.h>
#include "k3-pinctrl.h"
&{/} {
fan: gpio-fan {
compatible = "gpio-fan";
gpio-fan,speed-map = <0 0 8600 1>;
gpios = <&main_gpio0 28 GPIO_ACTIVE_LOW>;
#cooling-cells = <2>;
pinctrl-names = "default";
pinctrl-0 = <&gpio_fan_pins_default>;
};
};
&main_pmx0 {
gpio_fan_pins_default: gpio-fan-default-pins {
pinctrl-single,pins = <
AM64X_IOPAD(0x070, PIN_OUTPUT, 7) /* (V18) GPMC0_AD13.GPIO0_28 */
>;
};
};
&thermal_zones {
main0_thermal: main0-thermal {
trips {
main0_thermal_trip0: main0-thermal-trip {
temperature = <65000>; /* millicelsius */
hysteresis = <2000>; /* millicelsius */
type = "active";
};
};
cooling-maps {
map0 {
trip = <&main0_thermal_trip0>;
cooling-device = <&fan THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
};
};
};
};